The Marauder’s daughter

Christine Lupin is the child of mass murderer Sirius Black but is brought up by werewolf: Remus Lupin. She attends school at the same time as Harry Potter and becomes his friend. She loves her Dad: Remus but she’s curious about her birth father. She knows that she’s not supposed to ask questions about him but something in the basics of the story she’s heard doesn’t add up.